2 #include <util/delay.h>
3 #include "usb_keycodes.h"
8 static int8_t mousekey_x = 0;
9 static int8_t mousekey_y = 0;
10 static int8_t mousekey_v = 0;
11 static int8_t mousekey_h = 0;
12 static uint8_t mousekey_btn = 0;
13 static uint8_t mousekey_btn_prev = 0;
14 static uint8_t mousekey_repeat = 0;
18 * TODO: fix acceleration algorithm
19 * see wikipedia http://en.wikipedia.org/wiki/Mouse_keys
21 #ifndef MOUSEKEY_DELAY_TIME
22 # define MOUSEKEY_DELAY_TIME 255
26 static inline uint8_t move_unit(void)
28 return 10 + (mousekey_repeat < 50 ? mousekey_repeat/5 : 10);
31 void mousekey_decode(uint8_t code)
33 if (code == KB_MS_UP) mousekey_y -= move_unit();
34 else if (code == KB_MS_DOWN) mousekey_y += move_unit();
35 else if (code == KB_MS_LEFT) mousekey_x -= move_unit();
36 else if (code == KB_MS_RIGHT) mousekey_x += move_unit();
37 else if (code == KB_MS_BTN1) mousekey_btn |= MOUSE_BTN1;
38 else if (code == KB_MS_BTN2) mousekey_btn |= MOUSE_BTN2;
39 else if (code == KB_MS_BTN3) mousekey_btn |= MOUSE_BTN3;
40 else if (code == KB_MS_BTN4) mousekey_btn |= MOUSE_BTN4;
41 else if (code == KB_MS_BTN5) mousekey_btn |= MOUSE_BTN5;
42 else if (code == KB_MS_WH_UP) mousekey_v += 1;
43 else if (code == KB_MS_WH_DOWN) mousekey_v -= 1;
44 else if (code == KB_MS_WH_LEFT) mousekey_h -= 1;
45 else if (code == KB_MS_WH_RIGHT) mousekey_h += 1;
48 bool mousekey_changed(void)
50 return (mousekey_x || mousekey_y || mousekey_v || mousekey_h || mousekey_btn != mousekey_btn_prev);
53 void mousekey_usb_send(void)
55 if (mousekey_changed()) {
56 mousekey_btn_prev = mousekey_btn;
57 if (mousekey_x && mousekey_y)
58 usb_mouse_send(mousekey_x*0.7, mousekey_y*0.7, mousekey_v, mousekey_h, mousekey_btn);
60 usb_mouse_send(mousekey_x, mousekey_y, mousekey_v, mousekey_h, mousekey_btn);
62 usb_mouse_print(mousekey_x, mousekey_y, mousekey_v, mousekey_h, mousekey_btn);
64 _delay_ms(MOUSEKEY_DELAY_TIME >> (mousekey_repeat < 5 ? mousekey_repeat : 4));